Examples with AlphaNode org.drools.core.reteoo.AlphaNode used on opensource projects

Example 11 with AlphaNode

use of org.drools.core.reteoo.AlphaNode in project drools by kiegroup.

the class PropertySpecificTest method test2DifferentAlphaWatchBeforeSameBeta.

@Test
public void test2DifferentAlphaWatchBeforeSameBeta() {
    String rule1 = "B(a == 15) @watch(b) C()";
    String rule2 = "B(a == 15) @watch(c) C()";
    KieBase kbase = getKnowledgeBase(rule1, rule2);
    InternalWorkingMemory wm = ((InternalWorkingMemory) kbase.newKieSession());
    ObjectTypeNode otnB = getObjectTypeNode(kbase, "B");
    List<String> sp = getSettableProperties(wm, otnB);
    Class classType = ((ClassObjectType) otnB.getObjectType()).getClassType();
    AlphaNode alphaNode = (AlphaNode) otnB.getObjectSinkPropagator().getSinks()[0];
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b", "c"), sp), alphaNode.getInferredMask());
    ObjectTypeNode otnC = getObjectTypeNode(kbase, "C");
    BetaNode betaNodeC1 = (BetaNode) otnC.getObjectSinkPropagator().getSinks()[0];
    BetaNode betaNodeC2 = (BetaNode) otnC.getObjectSinkPropagator().getSinks()[1];
    LeftInputAdapterNode lia1 = (LeftInputAdapterNode) alphaNode.getObjectSinkPropagator().getSinks()[0];
    assertSame(betaNodeC1, lia1.getSinkPropagator().getSinks()[0]);
    LeftInputAdapterNode lia2 = (LeftInputAdapterNode) alphaNode.getObjectSinkPropagator().getSinks()[1];
    assertSame(betaNodeC2, lia2.getSinkPropagator().getSinks()[0]);
    assertEquals(EmptyBitMask.get(), betaNodeC1.getRightDeclaredMask());
    assertEquals(EmptyBitMask.get(), betaNodeC1.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("b"), sp), betaNodeC1.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "b"), sp), betaNodeC1.getLeftInferredMask());
    assertEquals(EmptyBitMask.get(), betaNodeC2.getRightDeclaredMask());
    assertEquals(EmptyBitMask.get(), betaNodeC2.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("c"), sp), betaNodeC2.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "c"), sp), betaNodeC2.getLeftInferredMask());
    kbase.removeRule("org.drools.compiler.integrationtests", "r0");
    assertEquals(calculatePositiveMask(classType, list("a"), sp), alphaNode.getDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "c"), sp), alphaNode.getInferredMask());
    assertEquals(1, lia2.getSinkPropagator().getSinks().length);
    BetaNode betaNodeC = (BetaNode) lia2.getSinkPropagator().getSinks()[0];
    assertEquals(EmptyBitMask.get(), betaNodeC2.getRightDeclaredMask());
    assertEquals(EmptyBitMask.get(), betaNodeC2.getRightInferredMask());
    assertEquals(calculatePositiveMask(classType, list("c"), sp), betaNodeC2.getLeftDeclaredMask());
    assertEquals(calculatePositiveMask(classType, list("a", "c"), sp), betaNodeC2.getLeftInferredMask());
}

Example 12 with AlphaNode

use of org.drools.core.reteoo.AlphaNode in project drools by kiegroup.

the class IndexingTest method testFullFastIteratorResume.

@Test(timeout = 10000)
public void testFullFastIteratorResume() throws Exception {
    String str = "";
    str += "package org.drools.compiler.test  \n";
    str += "import org.drools.compiler.Person \n";
    str += "query peeps( String $name, int $age ) \n";
    str += "    not $p2 : Person( $name := name, age > $age ) \n";
    str += "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    List<ObjectTypeNode> nodes = ((KnowledgeBaseImpl) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == DroolsQuery.class) {
            node = n;
            break;
        }
    }
    StatefulKnowledgeSessionImpl wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) alphanode.getObjectSinkPropagator().getSinks()[0];
    NotNode n = (NotNode) liaNode.getSinkPropagator().getSinks()[0];
    DoubleNonIndexSkipBetaConstraints c = (DoubleNonIndexSkipBetaConstraints) n.getRawConstraints();
    // assertEquals( "$name", ((VariableConstraint)c.getConstraint()).getRequiredDeclarations()[0].getIdentifier() );
    assertTrue(c.isIndexed());
    BetaMemory bm = (BetaMemory) wm.getNodeMemory(n);
    System.out.println(bm.getLeftTupleMemory().getClass());
    System.out.println(bm.getRightTupleMemory().getClass());
    assertTrue(bm.getLeftTupleMemory() instanceof TupleIndexHashTable);
    assertTrue(bm.getRightTupleMemory() instanceof TupleIndexHashTable);
    final Map<String, Integer> map = new HashMap<String, Integer>();
    map.put("inserted", new Integer(0));
    map.put("deleted", new Integer(0));
    map.put("updated", new Integer(0));
    wm.openLiveQuery("peeps", new Object[] { Variable.v, 99 }, new ViewChangedEventListener() {

        @Override
        public void rowInserted(Row row) {
        }

        @Override
        public void rowDeleted(Row row) {
        }

        @Override
        public void rowUpdated(Row row) {
        }
    });
    Map<String, InternalFactHandle> peeps = new HashMap<String, InternalFactHandle>();
    Person p = new Person("x0", 100);
    InternalFactHandle fh = (InternalFactHandle) wm.insert(p);
    peeps.put(p.getName(), fh);
    for (int i = 1; i < 100; i++) {
        p = new Person("x" + i, 101);
        fh = (InternalFactHandle) wm.insert(p);
        wm.fireAllRules();
        peeps.put(p.getName(), fh);
    }
    List<RightTuple> list = new ArrayList<RightTuple>(100);
    FastIterator it = n.getRightIterator(bm.getRightTupleMemory());
    for (RightTuple rt = n.getFirstRightTuple(null, bm.getRightTupleMemory(), null, it); rt != null; rt = (RightTuple) it.next(rt)) {
        list.add(rt);
    }
    assertEquals(100, list.size());
    // check we can resume from each entry in the list above.
    for (int i = 0; i < 100; i++) {
        RightTuple rightTuple = list.get(i);
        // resumes from the current rightTuple
        it = n.getRightIterator(bm.getRightTupleMemory(), rightTuple);
        int j = i + 1;
        for (RightTuple rt = (RightTuple) it.next(rightTuple); rt != null; rt = (RightTuple) it.next(rt)) {
            assertSame(list.get(j), rt);
            j++;
        }
    }
}

Example 13 with AlphaNode

use of org.drools.core.reteoo.AlphaNode in project drools by kiegroup.

the class IndexingTest method testIndexingOnQueryUnification.

@Test(timeout = 10000)
public void testIndexingOnQueryUnification() throws Exception {
    String str = "";
    str += "package org.drools.compiler.test  \n";
    str += "import org.drools.compiler.Person \n";
    str += "query peeps( String $name, String $likes, String $street) \n";
    str += "    $p : Person( $name := name, $likes := likes, $street := address.street ) \n";
    str += "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(str);
    List<ObjectTypeNode> nodes = ((KnowledgeBaseImpl) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == DroolsQuery.class) {
            node = n;
            break;
        }
    }
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
    LeftInputAdapterNode liaNode = (LeftInputAdapterNode) alphanode.getObjectSinkPropagator().getSinks()[0];
    // $p2
    JoinNode j = (JoinNode) liaNode.getSinkPropagator().getSinks()[0];
    TripleNonIndexSkipBetaConstraints c = (TripleNonIndexSkipBetaConstraints) j.getRawConstraints();
    // assertEquals( "$name", ((VariableConstraint)c.getConstraint()).getRequiredDeclarations()[0].getIdentifier() );
    assertTrue(c.isIndexed());
    BetaMemory bm = (BetaMemory) wm.getNodeMemory(j);
    assertTrue(bm.getLeftTupleMemory() instanceof TupleIndexHashTable);
    assertTrue(bm.getRightTupleMemory() instanceof TupleIndexHashTable);
}

Example 14 with AlphaNode

use of org.drools.core.reteoo.AlphaNode in project drools by kiegroup.

the class IndexingTest method testBuildsIndexedAlphaNodes.

@Test(timeout = 10000)
public void testBuildsIndexedAlphaNodes() {
    String drl = "";
    drl += "package org.drools.compiler.test\n";
    drl += "import org.drools.compiler.Person\n";
    drl += "rule test1\n";
    drl += "when\n";
    drl += "   Person(name == \"Mark\", age == 37)\n";
    drl += "   Person(name == \"Mark\", happy == true)\n";
    drl += "then\n";
    drl += "end\n";
    KieBase kbase = loadKnowledgeBaseFromString(drl);
    ObjectTypeNode otn = getObjectTypeNode(kbase, Person.class);
    InternalWorkingMemory wm = ((StatefulKnowledgeSessionImpl) kbase.newKieSession());
    AlphaNode alphaNode1 = (AlphaNode) otn.getObjectSinkPropagator().getSinks()[0];
    CompositeObjectSinkAdapter sinkAdapter = (CompositeObjectSinkAdapter) alphaNode1.getObjectSinkPropagator();
    ObjectSinkNodeList hashableSinks = sinkAdapter.getHashableSinks();
    assertNotNull(hashableSinks);
    assertEquals(2, hashableSinks.size());
    AlphaNode alphaNode2 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[0];
    assertSame(hashableSinks.getFirst(), alphaNode2);
    AlphaNode alphaNode3 = (AlphaNode) alphaNode1.getObjectSinkPropagator().getSinks()[1];
    assertSame(hashableSinks.getLast(), alphaNode3);
}

Example 15 with AlphaNode

use of org.drools.core.reteoo.AlphaNode in project drools by kiegroup.

the class MVELTest method testMapAccessorWithStaticFieldAccess.

@Test
public void testMapAccessorWithStaticFieldAccess() {
    final String str = "" + "package org.drools.compiler.test \n" + "import " + Person.class.getCanonicalName() + "\n" + "import " + Address.class.getCanonicalName() + "\n" + "import " + TestEnum.class.getCanonicalName() + "\n" + "global java.util.List list \n" + "rule \"show\" \n" + "when  \n" + "    $m : Person( namedAddresses[TestEnum.ONE] == new Address('s1'), namedAddresses[TestEnum.ONE].street == new Address('s1').street ) \n" + "then \n" + "    list.add('r1'); \n" + "end \n";
    final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
    kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        fail(kbuilder.getErrors().toString());
    }
    final InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addPackages(kbuilder.getKnowledgePackages());
    final KieSession ksession = createKnowledgeSession(kbase);
    final List list = new ArrayList();
    ksession.setGlobal("list", list);
    final Person p = new Person("yoda");
    p.getNamedAddresses().put(TestEnum.ONE, new Address("s1"));
    ksession.insert(p);
    ksession.fireAllRules();
    assertEquals("r1", list.get(0));
    // Check it was built with MVELReturnValueExpression constraint
    final List<ObjectTypeNode> nodes = ((InternalKnowledgeBase) kbase).getRete().getObjectTypeNodes();
    ObjectTypeNode node = null;
    for (final ObjectTypeNode n : nodes) {
        if (((ClassObjectType) n.getObjectType()).getClassType() == Person.class) {
            node = n;
            break;
        }
    }
    AlphaNode alphanode = (AlphaNode) node.getObjectSinkPropagator().getSinks()[0];
    AlphaNodeFieldConstraint constraint = alphanode.getConstraint();
    if (constraint instanceof MvelConstraint) {
        assertTrue(((MvelConstraint) alphanode.getConstraint()).getFieldExtractor() instanceof MVELObjectClassFieldReader);
        assertEquals(new Address("s1"), ((MvelConstraint) alphanode.getConstraint()).getField().getValue());
    }
    alphanode = (AlphaNode) alphanode.getObjectSinkPropagator().getSinks()[0];
    constraint = alphanode.getConstraint();
    if (constraint instanceof MvelConstraint) {
        assertTrue(((MvelConstraint) alphanode.getConstraint()).getFieldExtractor() instanceof MVELObjectClassFieldReader);
        assertEquals(new Address("s1").getStreet(), ((MvelConstraint) alphanode.getConstraint()).getField().getValue());
    }
}